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Genes & Cells

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vesicle in the bacterium Halothiobacillus neapolitanus

UNDER THE SKIN  Researchers have discovered mysterious structures, such as these bubblelike compartments called vesicles that sit between the cell membrane (cyan) and the cell wall (purple) of the bacterium Halothiobacillus neapolitanus (cryotomogram, top;  3-D reconstruction, bottom).

mouse skeleton x-ray

BONE UP  The skeleton doesn’t just protect important bodily organs, it also talks to them, studies in mice show.

alpha-synuclein protein in nerve cells

RED ALERT  This micrograph shows how the protein alpha-synuclein (red) builds up in nerve cells (blue) in brains affected by Parkinson’s disease. The immune system can react to parts of the protein, a new study finds.

Genes & Cells

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